|  | //===-- PPC.td - Describe the PowerPC Target Machine -------*- tablegen -*-===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This is the top level entry point for the PowerPC target. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // Get the target-independent interfaces which we are implementing. | 
|  | // | 
|  | include "llvm/Target/Target.td" | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC Subtarget features. | 
|  | // | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // CPU Directives                                                             // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def Directive440 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_440", "">; | 
|  | def Directive601 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_601", "">; | 
|  | def Directive602 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_602", "">; | 
|  | def Directive603 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; | 
|  | def Directive604 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; | 
|  | def Directive620 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; | 
|  | def Directive7400: SubtargetFeature<"", "CPUDirective", "PPC::DIR_7400", "">; | 
|  | def Directive750 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_750", "">; | 
|  | def Directive970 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_970", "">; | 
|  | def Directive32  : SubtargetFeature<"", "CPUDirective", "PPC::DIR_32", "">; | 
|  | def Directive64  : SubtargetFeature<"", "CPUDirective", "PPC::DIR_64", "">; | 
|  | def DirectiveA2  : SubtargetFeature<"", "CPUDirective", "PPC::DIR_A2", "">; | 
|  | def DirectiveE500   : SubtargetFeature<"", "CPUDirective", | 
|  | "PPC::DIR_E500", "">; | 
|  | def DirectiveE500mc : SubtargetFeature<"", "CPUDirective", | 
|  | "PPC::DIR_E500mc", "">; | 
|  | def DirectiveE5500  : SubtargetFeature<"", "CPUDirective", | 
|  | "PPC::DIR_E5500", "">; | 
|  | def DirectivePwr3: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR3", "">; | 
|  | def DirectivePwr4: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR4", "">; | 
|  | def DirectivePwr5: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR5", "">; | 
|  | def DirectivePwr5x | 
|  | : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR5X", "">; | 
|  | def DirectivePwr6: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR6", "">; | 
|  | def DirectivePwr6x | 
|  | : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR6X", "">; | 
|  | def DirectivePwr7: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR7", "">; | 
|  | def DirectivePwr8: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR8", "">; | 
|  | def DirectivePwr9: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR9", "">; | 
|  | def DirectivePwr10: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR10", "">; | 
|  | def DirectivePwrFuture | 
|  | : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR_FUTURE", "">; | 
|  |  | 
|  | def Feature64Bit     : SubtargetFeature<"64bit","Has64BitSupport", "true", | 
|  | "Enable 64-bit instructions">; | 
|  | def FeatureHardFloat : SubtargetFeature<"hard-float", "HasHardFloat", "true", | 
|  | "Enable floating-point instructions">; | 
|  | def Feature64BitRegs : SubtargetFeature<"64bitregs","Use64BitRegs", "true", | 
|  | "Enable 64-bit registers usage for ppc32 [beta]">; | 
|  | def FeatureCRBits    : SubtargetFeature<"crbits", "UseCRBits", "true", | 
|  | "Use condition-register bits individually">; | 
|  | def FeatureFPU       : SubtargetFeature<"fpu","HasFPU","true", | 
|  | "Enable classic FPU instructions", | 
|  | [FeatureHardFloat]>; | 
|  | def FeatureAltivec   : SubtargetFeature<"altivec","HasAltivec", "true", | 
|  | "Enable Altivec instructions", | 
|  | [FeatureFPU]>; | 
|  | def FeatureSPE       : SubtargetFeature<"spe","HasSPE", "true", | 
|  | "Enable SPE instructions", | 
|  | [FeatureHardFloat]>; | 
|  | def FeatureMFOCRF    : SubtargetFeature<"mfocrf","HasMFOCRF", "true", | 
|  | "Enable the MFOCRF instruction">; | 
|  | def FeatureFSqrt     : SubtargetFeature<"fsqrt","HasFSQRT", "true", | 
|  | "Enable the fsqrt instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFCPSGN    : SubtargetFeature<"fcpsgn", "HasFCPSGN", "true", | 
|  | "Enable the fcpsgn instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFRE       : SubtargetFeature<"fre", "HasFRE", "true", | 
|  | "Enable the fre instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFRES      : SubtargetFeature<"fres", "HasFRES", "true", | 
|  | "Enable the fres instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFRSQRTE   : SubtargetFeature<"frsqrte", "HasFRSQRTE", "true", | 
|  | "Enable the frsqrte instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFRSQRTES  : SubtargetFeature<"frsqrtes", "HasFRSQRTES", "true", | 
|  | "Enable the frsqrtes instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureRecipPrec : SubtargetFeature<"recipprec", "HasRecipPrec", "true", | 
|  | "Assume higher precision reciprocal estimates">; | 
|  | def FeatureSTFIWX    : SubtargetFeature<"stfiwx","HasSTFIWX", "true", | 
|  | "Enable the stfiwx instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureLFIWAX    : SubtargetFeature<"lfiwax","HasLFIWAX", "true", | 
|  | "Enable the lfiwax instruction", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFPRND     : SubtargetFeature<"fprnd", "HasFPRND", "true", | 
|  | "Enable the fri[mnpz] instructions", | 
|  | [FeatureFPU]>; | 
|  | def FeatureFPCVT     : SubtargetFeature<"fpcvt", "HasFPCVT", "true", | 
|  | "Enable fc[ft]* (unsigned and single-precision) and lfiwzx instructions", | 
|  | [FeatureFPU]>; | 
|  | def FeatureISEL      : SubtargetFeature<"isel","HasISEL", "true", | 
|  | "Enable the isel instruction">; | 
|  | def FeatureBPERMD    : SubtargetFeature<"bpermd", "HasBPERMD", "true", | 
|  | "Enable the bpermd instruction">; | 
|  | def FeatureExtDiv    : SubtargetFeature<"extdiv", "HasExtDiv", "true", | 
|  | "Enable extended divide instructions">; | 
|  | def FeatureLDBRX     : SubtargetFeature<"ldbrx","HasLDBRX", "true", | 
|  | "Enable the ldbrx instruction">; | 
|  | def FeatureCMPB      : SubtargetFeature<"cmpb", "HasCMPB", "true", | 
|  | "Enable the cmpb instruction">; | 
|  | def FeatureICBT      : SubtargetFeature<"icbt","HasICBT", "true", | 
|  | "Enable icbt instruction">; | 
|  | def FeatureBookE     : SubtargetFeature<"booke", "IsBookE", "true", | 
|  | "Enable Book E instructions", | 
|  | [FeatureICBT]>; | 
|  | def FeatureMSYNC     : SubtargetFeature<"msync", "HasOnlyMSYNC", "true", | 
|  | "Has only the msync instruction instead of sync", | 
|  | [FeatureBookE]>; | 
|  | def FeatureE500      : SubtargetFeature<"e500", "IsE500", "true", | 
|  | "Enable E500/E500mc instructions">; | 
|  | def FeatureSecurePlt : SubtargetFeature<"secure-plt","SecurePlt", "true", | 
|  | "Enable secure plt mode">; | 
|  | def FeaturePPC4xx    : SubtargetFeature<"ppc4xx", "IsPPC4xx", "true", | 
|  | "Enable PPC 4xx instructions">; | 
|  | def FeaturePPC6xx    : SubtargetFeature<"ppc6xx", "IsPPC6xx", "true", | 
|  | "Enable PPC 6xx instructions">; | 
|  | def FeatureQPX       : SubtargetFeature<"qpx","HasQPX", "true", | 
|  | "Enable QPX instructions", | 
|  | [FeatureFPU]>; | 
|  | def FeatureVSX       : SubtargetFeature<"vsx","HasVSX", "true", | 
|  | "Enable VSX instructions", | 
|  | [FeatureAltivec]>; | 
|  | def FeatureTwoConstNR : | 
|  | SubtargetFeature<"two-const-nr", "NeedsTwoConstNR", "true", | 
|  | "Requires two constant Newton-Raphson computation">; | 
|  | def FeatureP8Altivec : SubtargetFeature<"power8-altivec", "HasP8Altivec", "true", | 
|  | "Enable POWER8 Altivec instructions", | 
|  | [FeatureAltivec]>; | 
|  | def FeatureP8Crypto : SubtargetFeature<"crypto", "HasP8Crypto", "true", | 
|  | "Enable POWER8 Crypto instructions", | 
|  | [FeatureP8Altivec]>; | 
|  | def FeatureP8Vector  : SubtargetFeature<"power8-vector", "HasP8Vector", "true", | 
|  | "Enable POWER8 vector instructions", | 
|  | [FeatureVSX, FeatureP8Altivec]>; | 
|  | def FeatureDirectMove : | 
|  | SubtargetFeature<"direct-move", "HasDirectMove", "true", | 
|  | "Enable Power8 direct move instructions", | 
|  | [FeatureVSX]>; | 
|  | def FeaturePartwordAtomic : SubtargetFeature<"partword-atomics", | 
|  | "HasPartwordAtomics", "true", | 
|  | "Enable l[bh]arx and st[bh]cx.">; | 
|  | def FeatureInvariantFunctionDescriptors : | 
|  | SubtargetFeature<"invariant-function-descriptors", | 
|  | "HasInvariantFunctionDescriptors", "true", | 
|  | "Assume function descriptors are invariant">; | 
|  | def FeatureLongCall : SubtargetFeature<"longcall", "UseLongCalls", "true", | 
|  | "Always use indirect calls">; | 
|  | def FeatureHTM : SubtargetFeature<"htm", "HasHTM", "true", | 
|  | "Enable Hardware Transactional Memory instructions">; | 
|  | def FeatureMFTB   : SubtargetFeature<"", "FeatureMFTB", "true", | 
|  | "Implement mftb using the mfspr instruction">; | 
|  | def FeatureFusion : SubtargetFeature<"fusion", "HasFusion", "true", | 
|  | "Target supports instruction fusion">; | 
|  | def FeatureAddiLoadFusion : SubtargetFeature<"fuse-addi-load", | 
|  | "HasAddiLoadFusion", "true", | 
|  | "Power8 Addi-Load fusion", | 
|  | [FeatureFusion]>; | 
|  | def FeatureAddisLoadFusion : SubtargetFeature<"fuse-addis-load", | 
|  | "HasAddisLoadFusion", "true", | 
|  | "Power8 Addis-Load fusion", | 
|  | [FeatureFusion]>; | 
|  | def FeatureUnalignedFloats : | 
|  | SubtargetFeature<"allow-unaligned-fp-access", "AllowsUnalignedFPAccess", | 
|  | "true", "CPU does not trap on unaligned FP access">; | 
|  | def FeaturePPCPreRASched: | 
|  | SubtargetFeature<"ppc-prera-sched", "UsePPCPreRASchedStrategy", "true", | 
|  | "Use PowerPC pre-RA scheduling strategy">; | 
|  | def FeaturePPCPostRASched: | 
|  | SubtargetFeature<"ppc-postra-sched", "UsePPCPostRASchedStrategy", "true", | 
|  | "Use PowerPC post-RA scheduling strategy">; | 
|  | def FeatureFloat128 : | 
|  | SubtargetFeature<"float128", "HasFloat128", "true", | 
|  | "Enable the __float128 data type for IEEE-754R Binary128.", | 
|  | [FeatureVSX]>; | 
|  | def FeaturePOPCNTD   : SubtargetFeature<"popcntd","HasPOPCNTD", | 
|  | "POPCNTD_Fast", | 
|  | "Enable the popcnt[dw] instructions">; | 
|  | // Note that for the a2/a2q processor models we should not use popcnt[dw] by | 
|  | // default. These processors do support the instructions, but they're | 
|  | // microcoded, and the software emulation is about twice as fast. | 
|  | def FeatureSlowPOPCNTD : SubtargetFeature<"slow-popcntd","HasPOPCNTD", | 
|  | "POPCNTD_Slow", | 
|  | "Has slow popcnt[dw] instructions">; | 
|  |  | 
|  | def DeprecatedDST    : SubtargetFeature<"", "DeprecatedDST", "true", | 
|  | "Treat vector data stream cache control instructions as deprecated">; | 
|  |  | 
|  | def FeatureISA3_0 : SubtargetFeature<"isa-v30-instructions", "IsISA3_0", | 
|  | "true", | 
|  | "Enable instructions in ISA 3.0.">; | 
|  | def FeatureISA3_1 : SubtargetFeature<"isa-v31-instructions", "IsISA3_1", | 
|  | "true", | 
|  | "Enable instructions in ISA 3.1.", | 
|  | [FeatureISA3_0]>; | 
|  | def FeatureP9Altivec : SubtargetFeature<"power9-altivec", "HasP9Altivec", "true", | 
|  | "Enable POWER9 Altivec instructions", | 
|  | [FeatureISA3_0, FeatureP8Altivec]>; | 
|  | def FeatureP9Vector  : SubtargetFeature<"power9-vector", "HasP9Vector", "true", | 
|  | "Enable POWER9 vector instructions", | 
|  | [FeatureISA3_0, FeatureP8Vector, | 
|  | FeatureP9Altivec]>; | 
|  | def FeatureP10Vector  : SubtargetFeature<"power10-vector", "HasP10Vector", | 
|  | "true", | 
|  | "Enable POWER10 vector instructions", | 
|  | [FeatureISA3_1, FeatureP9Vector]>; | 
|  | // A separate feature for this even though it is equivalent to P9Vector | 
|  | // because this is a feature of the implementation rather than the architecture | 
|  | // and may go away with future CPU's. | 
|  | def FeatureVectorsUseTwoUnits : SubtargetFeature<"vectors-use-two-units", | 
|  | "VectorsUseTwoUnits", | 
|  | "true", | 
|  | "Vectors use two units">; | 
|  | def FeaturePrefixInstrs : SubtargetFeature<"prefix-instrs", "HasPrefixInstrs", | 
|  | "true", | 
|  | "Enable prefixed instructions", | 
|  | [FeatureISA3_0, FeatureP8Vector, | 
|  | FeatureP9Altivec]>; | 
|  | def FeaturePCRelativeMemops : | 
|  | SubtargetFeature<"pcrelative-memops", "HasPCRelativeMemops", "true", | 
|  | "Enable PC relative Memory Ops", | 
|  | [FeatureISA3_0]>; | 
|  |  | 
|  | def FeaturePredictableSelectIsExpensive : | 
|  | SubtargetFeature<"predictable-select-expensive", | 
|  | "PredictableSelectIsExpensive", | 
|  | "true", | 
|  | "Prefer likely predicted branches over selects">; | 
|  |  | 
|  | // Since new processors generally contain a superset of features of those that | 
|  | // came before them, the idea is to make implementations of new processors | 
|  | // less error prone and easier to read. | 
|  | // Namely: | 
|  | //     list<SubtargetFeature> P8InheritableFeatures = ... | 
|  | //     list<SubtargetFeature> FutureProcessorAddtionalFeatures = | 
|  | //         [ features that Power8 does not support but inheritable ] | 
|  | //     list<SubtargetFeature> FutureProcessorSpecificFeatures = | 
|  | //         [ features that Power8 does not support and not inheritable ] | 
|  | //     list<SubtargetFeature> FutureProcessorInheritableFeatures = | 
|  | //         !listconcat(P8InheritableFeatures, FutureProcessorAddtionalFeatures) | 
|  | //     list<SubtargetFeature> FutureProcessorFeatures = | 
|  | //         !listconcat(FutureProcessorInheritableFeatures, | 
|  | //                     FutureProcessorSpecificFeatures) | 
|  |  | 
|  | // Makes it explicit and obvious what is new in FutureProcessor vs. Power8 as | 
|  | // well as providing a single point of definition if the feature set will be | 
|  | // used elsewhere. | 
|  | def ProcessorFeatures { | 
|  | // Power7 | 
|  | list<SubtargetFeature> P7InheritableFeatures = [DirectivePwr7, | 
|  | FeatureAltivec, | 
|  | FeatureVSX, | 
|  | FeatureMFOCRF, | 
|  | FeatureFCPSGN, | 
|  | FeatureFSqrt, | 
|  | FeatureFRE, | 
|  | FeatureFRES, | 
|  | FeatureFRSQRTE, | 
|  | FeatureFRSQRTES, | 
|  | FeatureRecipPrec, | 
|  | FeatureSTFIWX, | 
|  | FeatureLFIWAX, | 
|  | FeatureFPRND, | 
|  | FeatureFPCVT, | 
|  | FeatureISEL, | 
|  | FeaturePOPCNTD, | 
|  | FeatureCMPB, | 
|  | FeatureLDBRX, | 
|  | Feature64Bit, | 
|  | /* Feature64BitRegs, */ | 
|  | FeatureBPERMD, | 
|  | FeatureExtDiv, | 
|  | FeatureMFTB, | 
|  | DeprecatedDST, | 
|  | FeatureTwoConstNR, | 
|  | FeatureUnalignedFloats]; | 
|  | list<SubtargetFeature> P7SpecificFeatures = []; | 
|  | list<SubtargetFeature> P7Features = | 
|  | !listconcat(P7InheritableFeatures, P7SpecificFeatures); | 
|  |  | 
|  | // Power8 | 
|  | list<SubtargetFeature> P8AdditionalFeatures = | 
|  | [DirectivePwr8, | 
|  | FeatureP8Altivec, | 
|  | FeatureP8Vector, | 
|  | FeatureP8Crypto, | 
|  | FeatureHTM, | 
|  | FeatureDirectMove, | 
|  | FeatureICBT, | 
|  | FeaturePartwordAtomic, | 
|  | FeaturePredictableSelectIsExpensive | 
|  | ]; | 
|  |  | 
|  | list<SubtargetFeature> P8SpecificFeatures = [FeatureAddiLoadFusion, | 
|  | FeatureAddisLoadFusion]; | 
|  | list<SubtargetFeature> P8InheritableFeatures = | 
|  | !listconcat(P7InheritableFeatures, P8AdditionalFeatures); | 
|  | list<SubtargetFeature> P8Features = | 
|  | !listconcat(P8InheritableFeatures, P8SpecificFeatures); | 
|  |  | 
|  | // Power9 | 
|  | list<SubtargetFeature> P9AdditionalFeatures = | 
|  | [DirectivePwr9, | 
|  | FeatureP9Altivec, | 
|  | FeatureP9Vector, | 
|  | FeatureISA3_0, | 
|  | FeaturePredictableSelectIsExpensive | 
|  | ]; | 
|  |  | 
|  | // Some features are unique to Power9 and there is no reason to assume | 
|  | // they will be part of any future CPUs. One example is the narrower | 
|  | // dispatch for vector operations than scalar ones. For the time being, | 
|  | // this list also includes scheduling-related features since we do not have | 
|  | // enough info to create custom scheduling strategies for future CPUs. | 
|  | list<SubtargetFeature> P9SpecificFeatures = [FeatureVectorsUseTwoUnits, | 
|  | FeaturePPCPreRASched, | 
|  | FeaturePPCPostRASched]; | 
|  | list<SubtargetFeature> P9InheritableFeatures = | 
|  | !listconcat(P8InheritableFeatures, P9AdditionalFeatures); | 
|  | list<SubtargetFeature> P9Features = | 
|  | !listconcat(P9InheritableFeatures, P9SpecificFeatures); | 
|  |  | 
|  | // Power10 | 
|  | // For P10 CPU we assume that all of the existing features from Power9 | 
|  | // still exist with the exception of those we know are Power9 specific. | 
|  | list<SubtargetFeature> P10AdditionalFeatures = | 
|  | [DirectivePwr10, FeatureISA3_1, FeaturePrefixInstrs, | 
|  | FeaturePCRelativeMemops, FeatureP10Vector]; | 
|  | list<SubtargetFeature> P10SpecificFeatures = []; | 
|  | list<SubtargetFeature> P10InheritableFeatures = | 
|  | !listconcat(P9InheritableFeatures, P10AdditionalFeatures); | 
|  | list<SubtargetFeature> P10Features = | 
|  | !listconcat(P10InheritableFeatures, P10SpecificFeatures); | 
|  |  | 
|  | // Future | 
|  | // For future CPU we assume that all of the existing features from Power10 | 
|  | // still exist with the exception of those we know are Power10 specific. | 
|  | list<SubtargetFeature> FutureAdditionalFeatures = []; | 
|  | list<SubtargetFeature> FutureSpecificFeatures = []; | 
|  | list<SubtargetFeature> FutureInheritableFeatures = | 
|  | !listconcat(P10InheritableFeatures, FutureAdditionalFeatures); | 
|  | list<SubtargetFeature> FutureFeatures = | 
|  | !listconcat(FutureInheritableFeatures, FutureSpecificFeatures); | 
|  | } | 
|  |  | 
|  | // Note: Future features to add when support is extended to more | 
|  | // recent ISA levels: | 
|  | // | 
|  | // DFP          p6, p6x, p7        decimal floating-point instructions | 
|  | // POPCNTB      p5 through p7      popcntb and related instructions | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Classes used for relation maps. | 
|  | //===----------------------------------------------------------------------===// | 
|  | // RecFormRel - Filter class used to relate non-record-form instructions with | 
|  | // their record-form variants. | 
|  | class RecFormRel; | 
|  |  | 
|  | // AltVSXFMARel - Filter class used to relate the primary addend-killing VSX | 
|  | // FMA instruction forms with their corresponding factor-killing forms. | 
|  | class AltVSXFMARel { | 
|  | bit IsVSXFMAAlt = 0; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Relation Map Definitions. | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def getRecordFormOpcode : InstrMapping { | 
|  | let FilterClass = "RecFormRel"; | 
|  | // Instructions with the same BaseName and Interpretation64Bit values | 
|  | // form a row. | 
|  | let RowFields = ["BaseName", "Interpretation64Bit"]; | 
|  | // Instructions with the same RC value form a column. | 
|  | let ColFields = ["RC"]; | 
|  | // The key column are the non-record-form instructions. | 
|  | let KeyCol = ["0"]; | 
|  | // Value columns RC=1 | 
|  | let ValueCols = [["1"]]; | 
|  | } | 
|  |  | 
|  | def getNonRecordFormOpcode : InstrMapping { | 
|  | let FilterClass = "RecFormRel"; | 
|  | // Instructions with the same BaseName and Interpretation64Bit values | 
|  | // form a row. | 
|  | let RowFields = ["BaseName", "Interpretation64Bit"]; | 
|  | // Instructions with the same RC value form a column. | 
|  | let ColFields = ["RC"]; | 
|  | // The key column are the record-form instructions. | 
|  | let KeyCol = ["1"]; | 
|  | // Value columns are RC=0 | 
|  | let ValueCols = [["0"]]; | 
|  | } | 
|  |  | 
|  | def getAltVSXFMAOpcode : InstrMapping { | 
|  | let FilterClass = "AltVSXFMARel"; | 
|  | // Instructions with the same BaseName value form a row. | 
|  | let RowFields = ["BaseName"]; | 
|  | // Instructions with the same IsVSXFMAAlt value form a column. | 
|  | let ColFields = ["IsVSXFMAAlt"]; | 
|  | // The key column are the (default) addend-killing instructions. | 
|  | let KeyCol = ["0"]; | 
|  | // Value columns IsVSXFMAAlt=1 | 
|  | let ValueCols = [["1"]]; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Register File Description | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | include "PPCRegisterInfo.td" | 
|  | include "PPCSchedule.td" | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PowerPC processors supported. | 
|  | // | 
|  |  | 
|  | def : Processor<"generic", G3Itineraries, [Directive32, FeatureHardFloat, | 
|  | FeatureMFTB]>; | 
|  | def : ProcessorModel<"440", PPC440Model, [Directive440, FeatureISEL, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureICBT, FeatureBookE, | 
|  | FeatureMSYNC, FeatureMFTB]>; | 
|  | def : ProcessorModel<"450", PPC440Model, [Directive440, FeatureISEL, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureICBT, FeatureBookE, | 
|  | FeatureMSYNC, FeatureMFTB]>; | 
|  | def : Processor<"601", G3Itineraries, [Directive601, FeatureFPU]>; | 
|  | def : Processor<"602", G3Itineraries, [Directive602, FeatureFPU, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"603", G3Itineraries, [Directive603, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"603e", G3Itineraries, [Directive603, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"603ev", G3Itineraries, [Directive603, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"604", G3Itineraries, [Directive604, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"604e", G3Itineraries, [Directive604, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"620", G3Itineraries, [Directive620, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"750", G4Itineraries, [Directive750, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"g3", G3Itineraries, [Directive750, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"7400", G4Itineraries, [Directive7400, FeatureAltivec, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"g4", G4Itineraries, [Directive7400, FeatureAltivec, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"7450", G4PlusItineraries, [Directive7400, FeatureAltivec, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"g4+", G4PlusItineraries, [Directive7400, FeatureAltivec, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureMFTB]>; | 
|  |  | 
|  | def : ProcessorModel<"970", G5Model, | 
|  | [Directive970, FeatureAltivec, | 
|  | FeatureMFOCRF, FeatureFSqrt, | 
|  | FeatureFRES, FeatureFRSQRTE, FeatureSTFIWX, | 
|  | Feature64Bit /*, Feature64BitRegs */, | 
|  | FeatureMFTB]>; | 
|  | def : ProcessorModel<"g5", G5Model, | 
|  | [Directive970, FeatureAltivec, | 
|  | FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX, | 
|  | FeatureFRES, FeatureFRSQRTE, | 
|  | Feature64Bit /*, Feature64BitRegs */, | 
|  | FeatureMFTB, DeprecatedDST]>; | 
|  | def : ProcessorModel<"e500", PPCE500Model, | 
|  | [DirectiveE500, | 
|  | FeatureICBT, FeatureBookE, | 
|  | FeatureISEL, FeatureMFTB, FeatureMSYNC, FeatureSPE]>; | 
|  | def : ProcessorModel<"e500mc", PPCE500mcModel, | 
|  | [DirectiveE500mc, | 
|  | FeatureSTFIWX, FeatureICBT, FeatureBookE, | 
|  | FeatureISEL, FeatureMFTB]>; | 
|  | def : ProcessorModel<"e5500", PPCE5500Model, | 
|  | [DirectiveE5500, FeatureMFOCRF, Feature64Bit, | 
|  | FeatureSTFIWX, FeatureICBT, FeatureBookE, | 
|  | FeatureISEL, FeatureMFTB]>; | 
|  | def : ProcessorModel<"a2", PPCA2Model, | 
|  | [DirectiveA2, FeatureICBT, FeatureBookE, FeatureMFOCRF, | 
|  | FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, | 
|  | FeatureSTFIWX, FeatureLFIWAX, | 
|  | FeatureFPRND, FeatureFPCVT, FeatureISEL, | 
|  | FeatureSlowPOPCNTD, FeatureCMPB, FeatureLDBRX, | 
|  | Feature64Bit /*, Feature64BitRegs */, FeatureMFTB]>; | 
|  | def : ProcessorModel<"a2q", PPCA2Model, | 
|  | [DirectiveA2, FeatureICBT, FeatureBookE, FeatureMFOCRF, | 
|  | FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, | 
|  | FeatureSTFIWX, FeatureLFIWAX, | 
|  | FeatureFPRND, FeatureFPCVT, FeatureISEL, | 
|  | FeatureSlowPOPCNTD, FeatureCMPB, FeatureLDBRX, | 
|  | Feature64Bit /*, Feature64BitRegs */, FeatureQPX, | 
|  | FeatureMFTB]>; | 
|  | def : ProcessorModel<"pwr3", G5Model, | 
|  | [DirectivePwr3, FeatureAltivec, | 
|  | FeatureFRES, FeatureFRSQRTE, FeatureMFOCRF, | 
|  | FeatureSTFIWX, Feature64Bit]>; | 
|  | def : ProcessorModel<"pwr4", G5Model, | 
|  | [DirectivePwr4, FeatureAltivec, FeatureMFOCRF, | 
|  | FeatureFSqrt, FeatureFRES, FeatureFRSQRTE, | 
|  | FeatureSTFIWX, Feature64Bit, FeatureMFTB]>; | 
|  | def : ProcessorModel<"pwr5", G5Model, | 
|  | [DirectivePwr5, FeatureAltivec, FeatureMFOCRF, | 
|  | FeatureFSqrt, FeatureFRE, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureFRSQRTES, | 
|  | FeatureSTFIWX, Feature64Bit, | 
|  | FeatureMFTB, DeprecatedDST]>; | 
|  | def : ProcessorModel<"pwr5x", G5Model, | 
|  | [DirectivePwr5x, FeatureAltivec, FeatureMFOCRF, | 
|  | FeatureFSqrt, FeatureFRE, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureFRSQRTES, | 
|  | FeatureSTFIWX, FeatureFPRND, Feature64Bit, | 
|  | FeatureMFTB, DeprecatedDST]>; | 
|  | def : ProcessorModel<"pwr6", G5Model, | 
|  | [DirectivePwr6, FeatureAltivec, | 
|  | FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, | 
|  | FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, | 
|  | FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureCMPB, | 
|  | FeatureFPRND, Feature64Bit /*, Feature64BitRegs */, | 
|  | FeatureMFTB, DeprecatedDST]>; | 
|  | def : ProcessorModel<"pwr6x", G5Model, | 
|  | [DirectivePwr5x, FeatureAltivec, FeatureMFOCRF, | 
|  | FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, | 
|  | FeatureSTFIWX, FeatureLFIWAX, FeatureCMPB, | 
|  | FeatureFPRND, Feature64Bit, | 
|  | FeatureMFTB, DeprecatedDST]>; | 
|  | def : ProcessorModel<"pwr7", P7Model, ProcessorFeatures.P7Features>; | 
|  | def : ProcessorModel<"pwr8", P8Model, ProcessorFeatures.P8Features>; | 
|  | def : ProcessorModel<"pwr9", P9Model, ProcessorFeatures.P9Features>; | 
|  | // No scheduler model yet. | 
|  | def : ProcessorModel<"pwr10", NoSchedModel, ProcessorFeatures.P10Features>; | 
|  | // No scheduler model for future CPU. | 
|  | def : ProcessorModel<"future", NoSchedModel, | 
|  | ProcessorFeatures.FutureFeatures>; | 
|  | def : Processor<"ppc", G3Itineraries, [Directive32, FeatureHardFloat, | 
|  | FeatureMFTB]>; | 
|  | def : Processor<"ppc32", G3Itineraries, [Directive32, FeatureHardFloat, | 
|  | FeatureMFTB]>; | 
|  | def : ProcessorModel<"ppc64", G5Model, | 
|  | [Directive64, FeatureAltivec, | 
|  | FeatureMFOCRF, FeatureFSqrt, FeatureFRES, | 
|  | FeatureFRSQRTE, FeatureSTFIWX, | 
|  | Feature64Bit /*, Feature64BitRegs */, | 
|  | FeatureMFTB]>; | 
|  | def : ProcessorModel<"ppc64le", P8Model, ProcessorFeatures.P8Features>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Calling Conventions | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | include "PPCCallingConv.td" | 
|  |  | 
|  | def PPCInstrInfo : InstrInfo { | 
|  | let isLittleEndianEncoding = 1; | 
|  |  | 
|  | // FIXME: Unset this when no longer needed! | 
|  | let decodePositionallyEncodedOperands = 1; | 
|  |  | 
|  | let noNamedPositionallyEncodedOperands = 1; | 
|  | } | 
|  |  | 
|  | def PPCAsmParser : AsmParser { | 
|  | let ShouldEmitMatchRegisterName = 0; | 
|  | } | 
|  |  | 
|  | def PPCAsmParserVariant : AsmParserVariant { | 
|  | int Variant = 0; | 
|  |  | 
|  | // We do not use hard coded registers in asm strings.  However, some | 
|  | // InstAlias definitions use immediate literals.  Set RegisterPrefix | 
|  | // so that those are not misinterpreted as registers. | 
|  | string RegisterPrefix = "%"; | 
|  | string BreakCharacters = "."; | 
|  | } | 
|  |  | 
|  | def PPC : Target { | 
|  | // Information about the instructions. | 
|  | let InstructionSet = PPCInstrInfo; | 
|  |  | 
|  | let AssemblyParsers = [PPCAsmParser]; | 
|  | let AssemblyParserVariants = [PPCAsmParserVariant]; | 
|  | let AllowRegisterRenaming = 1; | 
|  | } | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Pfm Counters | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | include "PPCPfmCounters.td" |